Animal Kingdom Question 2
Question: Which of the following is characteristic feature of cockroach regarding sexual dimorphism ?
(1) Presence of anal cerci
(2) Dark brown body colour and anal cerci
(3) Presence of anal styles
(4) Presence of sclerites
Show Answer
(3) Presence of anal style
Explanation-
Male cockroaches bear a pair of short, thread-like anal styles which are absent in females.
sexual dimorphism- the differences in appearance between males and females of the same species, such as in colour, shape, size, and structure, that are caused by the inheritance of one or the other sexual pattern in the genetic material.
BETA
